Digital pneumatic modulator

Details Digital pneumatic modulator Digital pneumatic modulator

1981-04-13

1984-04-03

Garrett, Robert E.

Motors: expansible chamber type

With motive fluid valve

Electrically operated

236 84, 91DIG1, F15B 13044, G05D 2300

Patent

active

044400667

ABSTRACT:
An improvement in facility management systems that allows an electronic control unit to be interfaced with a pneumatic cylinder unit. The digital pneumatic modulator of the improvement includes a solenoid valve controlled pneumatic input port, a solenoid valve controlled pneumatic exhaust port, and a flow controlled pneumatic exit port for connection with a pneumatic cylinder.

REFERENCES:
patent: 2348454 (1944-05-01), Cunningham
patent: 2999482 (1961-09-01), Bower
patent: 3782250 (1974-01-01), Kiszewski
patent: 4261509 (1981-04-01), Anders et al.

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